function roles_capabilities_list_default()
 {
     global $current_user;
     $objrole = new mgm_roles();
     $objrole->role_type = 'default';
     $data['roles'] = $objrole->get_roles();
     $data['admin_role'] = $objrole->admin_role;
     $data['role_type'] = $objrole->role_type;
     foreach ($objrole->default_roles as $default) {
         $arr_default[] = array('role' => $default, 'name' => ucfirst($default));
     }
     $data['default_roles'] = $arr_default;
     $data['mgm_cap_hierarchy'] = $objrole->get_custom_capability_hierarchy();
     // load template view
     $this->load->template('members/roles_capabilities/list', array('data' => $data));
 }